Spare tire lock



FIG. 1 is a perspective view of a spare tire lock showing a typical embodiment of my new design;

FIG. 2 is a front elevation view of a spare tire lock;

FIG. 3 is a top plan view of a spare tire lock;

FIG. 4 is a rear elevation view of a spare tire lock;

FIG. 5 is a side view taken from the right side of FIG. 3. The side view taken from the left side of FIG. 3 is the mirror image of FIG. 5; and,

FIG. 6 is a bottom plan view of a spare tire lock. 

The ornamental design for a spare tire lock, as shown and described. 